Agent skill

Showcase Video

by rehan-remade in rehan-remade/universal-modder

Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube.

Install Showcase Video

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/showcase-video .claude/skills/showcase-video && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .claude/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/showcase-video .agents/skills/showcase-video && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .agents/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/showcase-video .cursor/skills/showcase-video && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .cursor/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/rehan-remade/universal-modder.git --path skills/showcase-video

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/showcase-video .gemini/skills/showcase-video && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .gemini/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/showcase-video .github/skills/showcase-video && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .github/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add rehan-remade/universal-modder --skill showcase-video -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install rehan-remade/universal-modder showcase-video --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/rehan-remade/universal-modder.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/showcase-video .opencode/skills/showcase-video && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "showcase-video" agent skill from https://github.com/rehan-remade/universal-modder/tree/main/skills/showcase-video into .opencode/skills/showcase-video/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "showcase-video", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: showcase-video
GitHub stars: 6.1k
Token cost: ~1.3k tokens
SKILL.md length: 536 words
Files: 1
Skills in repo: 10
Repo updated: Oct 10, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube.

Works in 4 steps: Make the take repeatable → Record the window + the game's own audio → Look before you cut → …
The user wants a demo video
SKILL.md covers 1. Make the take repeatable, 2. Record the window + the…, 3. Look before you cut and 4. Edit with an EDL, plus 1 more section
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Showcase Video is an agent skill from rehan-remade/universal-modder. Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube. Records the game window with only the game's own audio, picks moments from contact sheets, and edits with one-line animated titles, creator credits, transitions, music, watermark and fade-out via an EDL JSON. Use when the user wants a demo video, trailer, clip or montage of a mod, or wants to combine existing clips into a styled video.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Media & Creative, covering Video production. It works with YouTube and FFmpeg. The repository describes itself as: Point Claude at any game. Skills, tools and the fal MCP that let Claude Code mod almost any PC game you own: recon, reverse engineering, fal-generated art/3D/audio, in-game… The licence is MIT.

When your agent uses it

The user wants a demo video
Montage of a mod
Wants to combine existing clips into a styled video

Example prompts

“/showcase-video”

Workflow steps

4 steps, taken from the step headings in SKILL.md.

Make the take repeatable
Record the window + the game's own audio
Look before you cut
Edit with an EDL

What it can do on your machine

Read from SKILL.md and the folder at commit f3e700e. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash and json).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Showcase Video loads about 1.3k tokens when it runs. Until then it costs about 115 tokens; SKILL.md has 536 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~115
When it runs · the whole SKILL.md, loaded when a task matches: ~1.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from rehan-remade/universal-modder at commit f3e700e, republished under its MIT licence (© rehan-remade). 536 words, ~1,283 tokens.

Download SKILL.mdSave it as .claude/skills/showcase-video/SKILL.md (or your agent's skills folder).

name: showcase-video
description: Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube. Records the game window with only the game's own audio, picks moments from contact sheets, and edits with one-line animated titles, creator credits, transitions, music, watermark and fade-out via an EDL JSON. Use when the user wants a demo video, trailer, clip or montage of a mod, or wants to combine existing clips into a styled video.

Showcase video

A mod isn't finished until you can show it in 30 seconds. The toolchain is um win record (capture), um video contact (look), um video compile (edit), all ffmpeg + Pillow.

1. Make the take repeatable

Script the action. Use a mod-side timeline or command sequence (spawn enemies, fire the weapon, cue the boss), a scenario with triggers and camera moves, or a WinDrive command list. The first clean take should be reproducible exactly, so you can reshoot after a fix.
Restore the world before each take. Explosions crater worlds; units die. Keep a pristine copy with um backup and restore it every take.
Clean frame. Hide debug text, fix the camera zoom (the Terraria showcase used 1.5x so 1080p frames read like a 720p cut), run at full speed when unfocused, and hide the cursor (capture uses capture_cursor=0).

2. Record the window + the game's own audio

bash

um win record --exe Game.exe --out C:\caps\take1 --seconds 40      # -> take1.mkv, take1.audio.raw, take1.json
um video first-frame C:/caps/take1.mkv                              # where gameplay starts (skips loading screens)
um video mux C:/caps/take1.mkv C:/caps/take1.audio.raw C:/caps/take1.json take1.mp4 [--offset 0.25]

Video: ffmpeg gfxcapture of that window only (GPU frames, no desktop). It encodes with NVENC, AMF or QSV when available. NVENC H.264 maxes out at 4096 px wide, so the recorder scales above that; for 32:9 screens, crop to the centre 16:9 with --crop.
Audio: WASAPI process loopback of the game's PID (um/ps1/ProcLoopback.ps1). Only the game is recorded; no Spotify, no notifications. It's timestamped so the file position is wall time. Muxing uses the recorded offset. Fine-tune with a visual/audio sync event (a flash vs its boom) and pass --offset.
Inside a mod (optional): start and stop recording from the mod for frame-exact takes. Never block the game's main thread while stopping ffmpeg: send q, then wait off-thread. Write .mkv so a killed recorder still leaves a playable file (see examples/terraria-tmodloader/reference/InModRecorder.cs).

3. Look before you cut

bash

um video probe clip.mp4
um video contact clip.mp4 sheet.png --every 1.5 --cols 6     # a timestamped grid; read it, pick in/out points
um video contact clip.mp4 zoom.png --start 20 --end 30 --every 0.5

Pick the peak moments: the explosion, the boss reveal, the unit in formation. Write in/out times into the EDL.

Show full SKILL.md (233 more words)Show less

4. Edit with an EDL

um video compile edl.json out.mp4 (--preview renders half size and fast). The full format is in um video --help.

json

{
  "size": [1920, 1080], "fps": 30,
  "theme": {"accent": "#B6FF3B"},
  "transition": {"type": "fade", "duration": 0.3},
  "clip_volume": 0.8,
  "music": {"path": "music.mp3", "volume": 0.5},
  "watermark": {"path": "logo.png", "height": 54, "corner": "br"},
  "segments": [
    {"clip": "take1.mp4", "in": 9.0, "dur": 3.0, "hook": "Terraria, but with a tactical nuke."},
    {"clip": "take1.mp4", "in": 24.2, "dur": 4.5, "title": "Tactical Nuke", "transition": {"type": "pixelize"}},
    {"clip": "take2.mp4", "in": 3.0, "dur": 5.0, "title": "Drone Mothership boss"},
    {"card": {"title": "Fal Arsenal", "sub": "a Terraria mod"}, "dur": 2.5}
  ]
}

Transitions: any ffmpeg xfade type (fade, pixelize, slideleft, smoothleft, circleopen, zoomin, radial...) or cut.
Fills: for non-16:9 clips, fill: blur (blurred backdrop), crop or pad.
Per clip: speed and volume, zoom to punch in past UI, crop [x, y, w, h] to reframe.
Music: um fal music "..." --seconds 60 makes a bed. Set bpm and use beats instead of dur to cut on the beat; um video beats music.mp3 estimates tempo and first beat.

Style that works (from real feedback)

Titles: one line naming what's on screen ("Wonder: the Transamerica Pyramid", "Robotaxis and Delivery Drones"). No small explanatory captions about how it was made; that goes in the post text.
Pace: get into gameplay within 2-3 s; menus and setup stay under 3 s. Clips run 3-5 s each. End on the mod name or URL and fade out.
Sound: keep the game's audio. It sells impacts. Music under a compilation, clip audio around 0.5-0.8.
Compilations of other people's clips: credit every creator on screen (credit: "@handle") and in the post, and ask permission when it's promotional. Don't imply their clips were made with your tool. Download only public posts, and only what you'll use.
Last step: look at a contact sheet of the finished video before sharing it.

Files

Just SKILL.md in skills/showcase-video of rehan-remade/universal-modder.

Open the folder on GitHubat commit f3e700e

Compare with similar skills

Showcase Video next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Showcase Video compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Showcase Video this skillrehan-remade/universal-modder	6.1k	—	~1.3k	Automated safety check: Pass	MIT	today
Shorts Video Makeruxjoseph/content-marketing-team	107	—	~665	Automated safety check: Pass	None	9 mo ago
Video Downloadcalesthio/OpenMontage	66k	—	~885	Automated safety check: Pass	AGPL-3.0	7 days ago
Video Transcript Downloadersundial-org/awesome-openclaw-skills	663	2 repos	~574	Automated safety check: Pass	None	7 mo ago
Youtube Downloaderdaymade/claude-code-skills	1.4k	—	~4.7k	Automated safety check: Pass	MIT	today
Beat Sync Reelgooseworks-ai/goose-skills	1.2k	1 repos	~2.5k	Automated safety check: Notes	MIT	2 days ago

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Works with

Questions about Showcase Video

What does Showcase Video do?

Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube. Showcase Video is an agent skill from rehan-remade/universal-modder. Record and cut a short showcase video of a game mod, or a compilation of clips, ready to post on X/YouTube.

When should I use Showcase Video?

Showcase Video fits situations like: the user wants a demo video; montage of a mod; wants to combine existing clips into a styled video.

How do I install Showcase Video in Claude Code?

Run `npx skills add rehan-remade/universal-modder --skill showcase-video -a claude-code`. Or copy the skill folder (skills/showcase-video in rehan-remade/universal-modder) into .claude/skills/showcase-video in your project. Claude Code loads it when a task matches its description.

How do I install Showcase Video in Codex?

Run `npx skills add rehan-remade/universal-modder --skill showcase-video -a codex`. Or copy the skill folder (skills/showcase-video in rehan-remade/universal-modder) into .agents/skills/showcase-video in your project. Codex loads it when a task matches its description.

Can I use Showcase Video in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add rehan-remade/universal-modder --skill showcase-video -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/showcase-video, .gemini/skills/showcase-video, .github/skills/showcase-video and .opencode/skills/showcase-video in your project.

What does Showcase Video need to run?

SKILL.md names no scripts, command-line tools or credentials: Showcase Video is instructions for the agent only.

Does Showcase Video access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Showcase Video safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Showcase Video use?

Showcase Video is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Showcase Video use?

About 1.3k tokens (SKILL.md is roughly 5.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Showcase Video?

Skills that share tags, products or a category with Showcase Video: Shorts Video Maker (uxjoseph/content-marketing-team, 107 stars), Video Download (calesthio/OpenMontage, 66k stars), Video Transcript Downloader (sundial-org/awesome-openclaw-skills, 663 stars) and Youtube Downloader (daymade/claude-code-skills, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Showcase Video?

rehan-remade (a GitHub user) maintains it in rehan-remade/universal-modder, which has 6,115 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on October 10, 2026.

Source: rehan-remade/universal-modder on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Showcase Video

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Showcase video

1. Make the take repeatable

2. Record the window + the game's own audio

3. Look before you cut

4. Edit with an EDL

Style that works (from real feedback)

Files

Compare with similar skills

Similar skills

More from rehan-remade/universal-modder

Related

Questions about Showcase Video